body{
    font: 12px "simhei", Arial, Helvetica, sans-serif;
    color: #666;
}
p,
ur{
    margin: 0;
    padding: 0;
    list-style-type: none;
}
body>div{
    width: 1000px;
    height: 619px;
    margin: 0 auto;
    background-color: pink;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
#top{
overflow: hidden;
}
